Finding the Fourth Proportional to 453,377.80, 625,660.42 and 249,428.23
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Solution
The fourth proportional to 453,377.80, 625,660.42 and 249,428.23 is: 344,210.43
Step by Step Solution
- Step 1: Write the proportion equation
453,377.80 : 625,660.42 = 249,428.23 : x - Step 2: Convert to fraction form
453,377.80/625,660.42 = 249,428.23/x - Step 3: Cross multiply
453,377.80x = 625,660.42 × 249,428.23 - Step 4: Simplify right side
453,377.80x = 156,057,366,766.21 - Step 5: Solve for x
x = 156,057,366,766.21/453,377.80 - Step 6: Final answer
x = 344,210.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.